You are examining a substance found at a crime scene. Using a chemical test, you are able to determine that glycogen is present in the substance. What does this mean for your investigation?
Select one:
O a. The substance is from an animal source.
O b. The substance is the poison ricin.
O c. The substance is from a plant source.
O d. The substance is a lipid.

a. The substance is from an animal source.

Explanation:

Glycogen is a carbohydrate polymer in which animals store their excess glucose as. When animals digest their ingested food, it gets broken down into GLUCOSE. This glucose, when in excess, gets stored as GLYCOGEN.

According to this question, a substance found at a crime scene is being examined using chemical tests. The test revealed that glycogen is present in the substance. This can mean that the substance is from an ANIMAL source because GLYCOGEN is only present in animals.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.